The property is owned by Narrabri Shire Council and was added to the New South Wales State Heritage Register on 2 April 1999.

[1] As a result of a number of escapes and influx of prisoners in late 1877, application for additional accommodation was made by the Acting Gaoler.

[1][2]: 6–7 A formal composition consisting of a main central wing having an elaborate classical pediment and roof fleche flanked on the street by tall brick walls having rendered quoins and spheres above.

A timber verandah frames the main entrance while at the rear there is an extensive range of single storey residential cell and service blocks all of similar stuccoed brick construction.

[1][2]: 79 The Narrabri Gaol and Residence was listed on the New South Wales State Heritage Register on 2 April 1999 having satisfied the following criteria.

[1][2]: 79 The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.

The form of the buildings for a country gaol appears to be unique with its formal symmetrical facade and enclosing wall.

[1][2]: 79 The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.